Dorothea M. Kujawinski

Dual element (15N/14N, 13C/12C) isotope analysis of glyphosate and AMPA by derivatization-gas chromatography isotope ratio mass spectrometry (GC/IRMS) combined with LC/IRMS

M. Elsner, M. Jochmann, Emmanuel O Mogusu, 2015, Analytical and Bioanalytical Chemistry.

Carbon isotope ratio measurements of glyphosate and AMPA by liquid chromatography coupled to isotope ratio mass spectrometry

T. Schmidt, Lijun Zhang, D. Widory, 2013, Analytical and Bioanalytical Chemistry.

Stable carbon and hydrogen isotope analysis of methyl tert-butyl ether and tert-amyl methyl ether by purge and trap-gas chromatography-isotope ratio mass spectrometry: method evaluation and application.

T. Schmidt, M. Jochmann, Dorothea M. Kujawinski, 2010, Journal of environmental monitoring : JEM.

Caffeine in your drink: natural or synthetic?

T. Schmidt, Lijun Zhang, M. Jochmann, 2012, Analytical chemistry.

Liquid Chromatography coupled to Isotope Ratio Mass Spectrometry of Selected Polar Compounds

Dorothea M. Kujawinski, 2014 .

When other separation techniques fail: compound-specific carbon isotope ratio analysis of sulfonamide containing pharmaceuticals by high-temperature-liquid chromatography-isotope ratio mass spectrometry.

T. Schmidt, Lijun Zhang, M. Jochmann, 2012, Analytical chemistry.

High-temperature reversed-phase liquid chromatography coupled to isotope ratio mass spectrometry.

T. Schmidt, Lijun Zhang, M. Jochmann, 2011, Rapid communications in mass spectrometry : RCM.

Direct Photolysis of Sulfamethoxazole Using Various Irradiation Sources and Wavelength Ranges-Insights from Degradation Product Analysis and Compound-Specific Stable Isotope Analysis.

U. Karst, T. Schmidt, M. Jochmann, 2018, Environmental science & technology.